Home / 29,081.32-40,132.58-15,833.32

Finding the Fourth Proportional to 29,081.32, 40,132.58 and 15,833.32

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Solution

The fourth proportional to 29,081.32, 40,132.58 and 15,833.32 is: 21,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,081.32 : 40,132.58 = 15,833.32 : x
  2. Step 2: Convert to fraction form
    29,081.32/40,132.58 = 15,833.32/x
  3. Step 3: Cross multiply
    29,081.32x = 40,132.58 × 15,833.32
  4. Step 4: Simplify right side
    29,081.32x = 635,431,981.57
  5. Step 5: Solve for x
    x = 635,431,981.57/29,081.32
  6. Step 6: Final answer
    x = 21,850.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.